I own a Sonicare. All it does is vibrate and blink shortly after you are done brushing when it's time to "refill" It doesn't even do that after every time you

I own a Sonicare. All it does is vibrate and blink shortly after you are done brushing when it's time to "refill" It doesn't even do that after every time you used the head "too much". Not sure how much it reminds you.